* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    height: 100vh;
    max-height: 100vh;
    font-family: Arial, Helvetica, sans-serif;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

h2 {
    text-align: center;
    width: 80%;
}

table {
    border-collapse: collapse;
    width: 80%;
    margin: 20px auto;
}

th,
td {
    border: 1px solid #ccc;
    padding: 8px 12px;
    text-align: left;
}

th {
    background-color: #f2f2f2;
}

tr.highlighted {
    background-color: #d3f4ff;
}

form {
    width: 80%;
    margin: 20px auto;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

input,
button {
    padding: 8px;
    font-size: 14px;
}

input[type="text"],
input[type="number"] {
    flex: 1;
}

.delete-btn {
    background-color: red;
    color: white;
    border: none;
    padding: 6px 10px;
    cursor: pointer;
}